Pith Number

pith:OSVFQJYZ

pith:2013:OSVFQJYZRFAIGOD7CTQF7VM2WC

not attested not anchored not stored refs pending

Six model structures for DG-modules over DGAs: Model category theory in homological action

Emily Riehl, J.P. May, Tobias Barthel

arxiv:1310.1159 v2 · 2013-10-04 · math.CT · math.AT · math.KT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSVFQJYZRFAIGOD7CTQF7VM2WC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:32:22.566029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74aa582719894083387f14e05fd59ab082c6b0a541c72126ba78c97eebf6a38a

Aliases

arxiv: 1310.1159 · arxiv_version: 1310.1159v2 · doi: 10.48550/arxiv.1310.1159 · pith_short_12: OSVFQJYZRFAI · pith_short_16: OSVFQJYZRFAIGOD7 · pith_short_8: OSVFQJYZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OSVFQJYZRFAIGOD7CTQF7VM2WC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 74aa582719894083387f14e05fd59ab082c6b0a541c72126ba78c97eebf6a38a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26b1f0d0935c31508a394ecb5b8253b8255cb6c0d32535bcf9a46860afbe0ab0",
    "cross_cats_sorted": [
      "math.AT",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2013-10-04T03:45:09Z",
    "title_canon_sha256": "0681c8188034687f2754f6779411dfd5551618ad648079a3c54c304229b9cb71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1159",
    "kind": "arxiv",
    "version": 2
  }
}